Index: unittests/tst_canbus.cpp
===================================================================
diff -u -rb798668f16ad0967ab97e96f5f9a2cdd821e899f -r44a85c96ab55e424866ec4cca0270aa218355f82
--- unittests/tst_canbus.cpp	(.../tst_canbus.cpp)	(revision b798668f16ad0967ab97e96f5f9a2cdd821e899f)
+++ unittests/tst_canbus.cpp	(.../tst_canbus.cpp)	(revision 44a85c96ab55e424866ec4cca0270aa218355f82)
@@ -1,15 +1,16 @@
 /*!
- *
+ * 
  * Copyright (c) 2019-2020 Diality Inc. - All Rights Reserved.
  * \copyright
- *          THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM,
- *          IN PART OR IN WHOLE,
- *          WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER.
- *
- * \file    tst_canbus.cpp
- * \date    11/21/2019
- * \author  Behrouz NematiPour
- *
+ * THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM, IN PART OR IN
+ * WHOLE, WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER.
+ * 
+ * \file tst_canbus.cpp
+ * \author (last) Behrouz NemaiPour
+ * \date (last) 23-Jun-2020
+ * \author (original) Behrouz NematiPour
+ * \date (original) 19-Dec-2019
+ * 
  */
 #include "tst_canbus.h"
 
@@ -321,6 +322,16 @@
     QVERIFY( ! _emited ); // Should not emit due to - ERROR : "Incorrect data for Message ID (HD) '0x0200'"
 }
 
+void tst_canbus::tst_FrameInterface_FrameReceived_removeHead_EmptyList()
+{
+    FrameInterface frame;
+    frame.init();
+    QVERIFY(frame._txFrameList.isEmpty());
+    frame.removeHead();
+    // if the code doesn't work and calls the removeFirst of and empty list it will assert.
+    QVERIFY(true);
+}
+
 void tst_canbus::cleanup()
 {
 }